<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共{{page.total}}条记录</span>
        <template v-slot:after>
          <el-button size="small" type="warning" @click="$router.push('/import')">导入</el-button>
          <el-button size="small" type="danger" @click="exportData">导出</el-button>
          <el-button size="small" type="primary" @click="showDialog = true">新增</el-button>
        </template>
      </page-tools>
      <!--      放置表格和分页-->
      <el-card v-loading="loading">
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index"/>
          <el-table-column label="姓名" sortable="" prop="username"/>
          <el-table-column label="头像" align="center">
            <!--            使用作用域插槽进行传值-->
            <template slot-scope="{row}">
              <img
                :src="row.staffPhoto"
                v-imageerror="require('@/assets/common/bigUserHeader.png')"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                slot="reference"
                @click="showQrCode(row.staffPhoto)"
                alt=""/>
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable="" prop="workNumber"/>
          <el-table-column label="聘用形式" sortable="" prop="formOfEmployment" :formatter="formatEmployment"/>
          <el-table-column label="部门" sortable="" prop="departmentName"/>
          <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
            <template slot-scope="obj">
              {{ obj.row.timeOfEntry | formatDate }}
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState">
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === 1"/>
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button type="text" size="small" :disabled="!checkPermission('POINT-USER-UPDATE')" @click="$router.push(`/employees/detail/${row.id}`)">查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)">角色</el-button>
              <el-button type="text" size="small" @click="deleteEmployee(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 放置新增组件 -->
    <add-employee :show-dialog.sync="showDialog"/>
    <!--    二维码弹层-->
    <el-dialog title="二维码" :visible.sync="showCodeDialog">
      <el-row type="flex" justify="center">
        <canvas ref="myCanvas"/>
      </el-row>
    </el-dialog>
    <assign-role ref="assignRole" :show-role-dialog.sync="showRoleDialog" :user-id="userId"/>
  </div>
</template>

<script>
  import { delEmployee, getEmployeeList } from '@/api/employees'
  import AddEmployee from './components/add-employee'
  import EmployeeEnum from '@/api/constant/employees'
  import { formatDate } from '@/filters'
  import QrCode from 'qrcode'
  import AssignRole from './components/assign-role'
  export default {
    data() {
      return {
        loading: false,
        list: [], // 接数据的列表
        page: {
          page: 1, // 当前页码
          size: 10,
          total: 0 //总数
        },
        showDialog: false,
        showCodeDialog:false,
        showRoleDialog:false,
        userId:null
      }
    },
    components: {
      AddEmployee,
      AssignRole
    },
    created() {
      this.getEmployeeList()
    },
    methods: {
      async getEmployeeList() {
        this.loading = true
        const { total, rows } = await getEmployeeList(this.page)
        this.page.total = total
        this.list = rows
        this.loading = false
      },
      changePage(newPage) {
        this.page.page = newPage
        this.getEmployeeList()
      },
      formatEmployment(row, column, cellValue, index) {
        // 要去找 1 所对应的值
        const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
        return obj ? obj.value : '未知'
      },
      // 删除员工
      async deleteEmployee(id) {
        try {
          await this.$confirm('您确定要删除该员工吗？')
          await delEmployee(id)
          this.getEmployeeList()
          this.$message.success('删除员工成功')
        } catch (e) {
          console.log(e)
        }
      },
      showQrCode(url){
        // url存在的情况下 才弹出层
        if (url){
          this.showCodeDialog = true // 数据更新 弹层并不会立即就出现，弹层不出来渲染完成，拿不到其DOM数据中的refs.myCanvas
          this.$nextTick(()=>{
            QrCode.toCanvas(this.$refs.myCanvas,url) // 将地址转化成二维码
          }
          )
        }
      },
      async editRole(id){
        this.userId = id // props传值 异步
        await this.$refs.assignRole.getUserDetailById(id) // 父组件调用子组件中的方法
        this.showRoleDialog = true
      },
      // 该方法负责将数组转化成二维数组
      formatJson(headers, rows) {
        // 首先遍历数组
        // [{ username: '张三'},{},{}]  => [[’张三'],[],[]]
        return rows.map(item => {
          return Object.keys(headers).map((key) => {
              if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
                return formatDate(item[headers[key]]) // 返回格式化之前的时间
              } else if (headers[key] === 'formOfEmployment') {
                var en = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
                return en ? en.value : '未知'
              }
              return item[headers[key]]
            }
          )
        })
      },
      exportData() {
        // 表头对应的关系
        const headers = {
          '姓名': 'username',
          '手机号': 'mobile',
          '入职日期': 'timeOfEntry',
          '聘用形式': 'formOfEmployment',
          '转正日期': 'correctionTime',
          '工号': 'workNumber',
          '部门': 'departmentName'
        }
        // 懒加载
        import('@/vendor/Export2Excel').then(async excel => {
          const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
          // 将 [{}] => [[],[]] 数据类型转换
          const data = this.formatJson(headers, rows)
          const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
          const merges = ['A1:A2', 'B1:F1', 'G1:G2']
          excel.export_json_to_excel({
            header: Object.keys(headers),
            data,
            filename: '员工信息表',
            authwidth: true,
            bookType: 'xlsx',
            multiHeader, // 复杂表头
            merges // 合并选项
          })
        })
      }
    }
  }
</script>

<style>

</style>
